<!doctype html> <html lang=en> <head> <meta charset=UTF-8> <meta name=viewport content="width=device-width,initial-scale=1"> <meta http-equiv=X-UA-Compatible content="ie=edge"> <title>燕云长风</title> <style>body{height:5000px}</style> <link rel="shortcut icon" href="yanyunchangfeng.png"><link href="app.css" rel="stylesheet"></head> <body> 宽&nbsp;&nbsp;&nbsp;：<input type=text id=width><br> 高&nbsp;&nbsp;&nbsp;：<input type=text id=height><br> 面积：<input type=text id=height><br> <div>我是DIV</div> <button id=btn>点击次数</button><output id=cal></output> <script type="text/javascript" src="app.bundle.js"></script><script type="text/javascript" src="vendor.bundle.js"></script></body> </html>